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Materials Science Forum Vols. *** (2004) pp.668-671 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Application of the Hilbert-Huang Transform to Pick up Surface Roughness J.H.
Jin 2,c 1 School of Mechanical & Power Energy Engineering, Shanghai Jiaotong University, 200030, China 2 Department of Traffic Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu, 223001, China awjhjy33@yahoo.com.cn, bzqyao@mail1.sjtu.edu.cn, c660303@sjtu.edu.cn Keywords：：：：EMD, Surface roughness, Reference for evaluation Abstract.
These Hilbert spectra are supposed to provide entirely new insights into the physical processes of picking up surface roughness on the contour of parts that the classical Materials Science Forum Vols. *** 669 Fourier or Gabor transformation or even the Wavelet analysis is unable to resolve.
Advances in Materials Manufacturing Science and Technology 670 With the help of the instrument, we get large amounts of data of surface contour, the picture of the surface structure and certain segment contour line are drawn in Fig.2 and Fig.3 (a).
Fig.1 Precision contour measure instrument Fig.3 the EMD components from surface image of the sample 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.5 1.0 1.5 2.0 0.0 0.2 0.4 0.6 0.8 1.01.21.41.6 1.8 2.0 Height(um) Width(mm) Length(mm) Fig.2 Digital picture of the sample surface 0.0 0.2 0.4 0.6 0.8 mod 5 (f) 0.0 0.2 0.4 0.6 0.8 mod 8 Length (mm) (i) 0.0 0.2 0.4 0.6 0.8 residue Length (mm) (j) 0.0 0.2 0.4 0.6 0.8 mod 6 (g) 0.0 0.2 0.4 0.6 0.8 original signal (a) 0.0 0.2 0.4 0.6 0.8 mod 4 (e) 0.0 0.2 0.4 0.6 0.8 mod 3 (d) 0.0 0.2 0.4 0.6 0.8 mod 1 (b) 0.0 0.2 0.4 0.6 0.8 mod 2 (c) 0.0 0.2 0.4 0.6 0.8 mod 7 (h) mod 3 length(mm) Materials Science Forum Vols. *** 671 After extracting all the roughness from the whole data sets, we sum up the roughness and surface contour characteristic data, and depict the images of the surface roughness and surface structure named as evaluation reference individually

Materials Science Forum Vols. *** (2004) pp.528-531 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Pneumatic Proportional Position Control System Based on BP Neural Networks Y.J.
Li 2,c 1 College of Mechanical Engineering, Shandong University, Jinan 250061, China 2 Shandong Light Industry Institute Jinan 250100, China a lyj111@sdu.edu.cn, bkxz8056@163.com, cygxylzw@163.com Keywords: Pneumatic proportional system, Position control, NNC, BP networks Abstract.
Materials Science Forum Vols. *** 529 A three-layer BP network is presented in this paper, the network configure is shown in Fig.2.
Therein, the cylinder is Advances in Materials Manufacturing Science and Technology 530 DGPL-25-500-PPV-A-GF-B type rodless cylinder from Germen FESTO Corporation, the displacement sensor is MLO-POT-500-TLF type, the proportional valve is MPYE-5-1/8-010B type electro-pneumatic proportional directional valve from FESTO Corporation, A/D,D/A transform is implemented by HY－6070 general-purpose data acquisition controlling board .
Materials Science Forum Vols. *** 531 Fig.4 Experimental result whenυ0=0.7m/s, L=100mm Fig.5 Experimental result when Fig.6 Experimental result when υ0=1.5m/s, L=100mm υ0=1.5m/s, L=60mm As shown in the experiment, the greater the muzzle velocity is, the greater the buffer overshoot beginning phase displacement.

Ujihara1, 2, f 1Center for Integrated Research of Future Electronics (CIRFE), Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan 2Department of Materials Science and Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan amura_mura@sic.numse.nagoya-u.ac.jp, bt-hori@sic.numse.nagoya-u.ac.jp, charada@numse.nagoya-u.ac.jp, dxiao@sic.numse.nagoya-u.ac.jp, emtagawa@numse.nagoya-u.ac.jp, fujihara@nagoya-u.jp Keywords: Top seeded solution growth; Step-flow growth; Temperature distribution; Polytype transformation Abstract.
Our research group has found the advantage in the reduction of threading dislocations (TDs): TDs are converted to the dislocations on the basal planes and are discharged to the outside from the crystal side surface by the advance of macrosteps during the SiC solution growth on the Si face [4-6].
Forum 600–603 (2005) 301
Forum 740–742 (2013) 189
Forum 527−529 (2006) 119

Materials Science Forum Vols. *** (2004) pp.422-425 online at http://scientific.net Ó 2004 Trans Tech Publications, Switzerland ?
Zhou 2,c 1 School of Mechanical Engineering, Shandong University, Jinan, 250061, P.R.China 2 Laiyang Agricultural College, Laiyang,265200, P.R.China a hanyp@sdu.edu.cn, b mengjf@sdu.edu.cn, c zhoujq@lyac.edu.cn Keywords: Non-chisel-edge drill, Machining, High manganese steel Abstract.
Materials Science Forum Vols. *** 423 Structure Features of the Tool In order to improve tool cutting performance and to raise tool life, it was decided to take cemented carbide as drill head.
The accuracy and surface quality of the first face land have a great effect on the tool life and the surface finishing of the machined hole. 8¡ã R7 20¡ã 8¡ã 8¡ã R3 Fig.2 The shape of the insert (a) (b) Advances in Materials Manufacturing Science and Technology 424 Insert Material Selection.
Materials Science Forum Vols. *** 425 References [1] H.

Development of Ferromagnetic Sputtering Targets with High Performance Junfeng Luo1,a*, Yunyi Fang2,b, Guojin Xu1,c, Yongjun Li1,d and Xiaodong Xiong1,e 1Grikin Advanced Materials Co.
Ltd., Beijing Engineering Research Center of High Purity Metal Sputtering Targets, Beijing 102200, China 2Department of physics, Beijing Normal University, Beijing 100875, China aljf@grikin.com, bvictorffy@sohu.com, cxgj@grikin.com, dlyj@grikin.com, exxdbear@grikin.com Keywords: Microstructure, Ferromagnetism, High purity, PTF, Sputtering target Abstract.
The preparation methods of high performance ferromagnetic sputtering targets (including cobalt, nickel-platinum and nickel-iron alloy) for advanced semiconductor manufacturing were introduced.
Microelectronic engineering, 2014, 120(10): 34-40
Influence of microstructure on pass through flux of high purity Ni, Materials Science Forum, 2016, 848: 696-702

Preface AMRMT & MSME 2021 2021 6th International Conference on Advanced Materials Research and Manufacturing Technologies and 4th International Conference on Materials Science and Manufacturing Engineering (AMRMT&MSME 2021) are organized by Hong Kong Society of Mechanical Engineers.
This conference aims to provide a platform for researchers and engineers to share their ideas, recent developments and successful practices in Materials Science and Manufacturing Engineering.
We sincerely hope that AMRMT & MSME 2021 can be a forum for excellent discussions that can put forward new ideas and promote collaborative research.
We are sure that the proceedings can serve as an important research source of references and the knowledge, which can lead to not only scientific and engineering progress but also other new products and processes.

Modeling the flow in nanostructured sensors within hybrid welding systems Sorin Vasile SAVU1,a, Ionel Danut SAVU2,b and Mihai GHIBA3,c 1, 2, 3 Department of Engineering and Management of Technological Systems, Faculty of Mechanics, University of Craiova, Calugareni Street 1, 220037, Drobeta Turnu Severin, Mehedinti, Romania asorin.savu@imst.ro, bdanut.savu@ymail.com, cgomog44@yahoo.com Keyword: nanostructured sensors, intelligent liquids, welding hybrid system Abstract.
The sensor’s concept is based on the advanced properties of the nanostructured materials.
That is because the results in the field of the nanotechnologies showed that the sensors that are using advanced nanostructured materials are smaller, more precise, faster in response, and more efficient.
Sîrbu – Voltage–frequency converter for laser welding control, International Journal of Electronics,pp1 8, DOI:10.1080/00207217.2012.743065, dec.2012, Publisher: Taylor & Francis, Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered UK [5] Ciupitu, I., et al. - The improving of the process of the iron, the cast iron and the copper powder mixing, Materials Science Forum Vol.  672 (2011), pag. 76-79, edited by Trans.

Materials Science Forum Vols. *** (2004) pp.59-62 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Ultrasonic Machining Mechanism of Sintered Nd-Fe-B Magnetic Materials J.H.
Xu 1,e 1 School of Mechanical Engineering, Shandong University, Jinan, China 250061 a jhzhang@sdu.edu.cn, bshengfengren@hotmail.com, c niuzongwei@hotmail.com, d cllyli1109@163.com, emingangxu@hotmail.com Keywords: Nd-Fe-B, Ultrasonic machining, Micro-fracture Abstract.
Impact occurs Advances in Materials Manufacturing Science and Technology 60 only where the tool is in close proximity to the workpiece, so that close tolerances can be achieved by controlling the tool and the abrasive dimension.
Materials Science Forum Vols. *** 61 For the relation between the size of center crack C and the load P, the following equation can be derived [5, 6]: m CkP ⋅= (2) where, m = 1.5, and k is a coefficient.
Yang: Journal of Mechanical Engineering Materials Vol. 19 (1995), p. 43 [3] Z.F.

Improved Current Gain in 4H-SiC BJTs Passivated with Deposited Oxides Followed by Nitridation Hiroki Miyake1,a, Tsunenobu Kimoto1,2,b and Jun Suda1,c 1Department of Electronic Science and Engineering, Kyoto University A1-303, Nishikyo, Kyoto 615-8510, Japan 2Photonics and Electronics Science and Engineering Center (PESEC), Kyoto University amiyake@semicon.kuee.kyoto-u.ac.jp, bkimoto@kuee.kyoto-u.ac.jp, csuda@kuee.kyoto-u.ac.jp Keywords: 4H-SiC, bipolar junction transistor (BJT), current gain, passivation, deposited oxide, nitridation.
These results suggest the possibility of surface passivation in BJTs by advanced processes in high performance MOSFETs.
Forum, vol. 615-617, pp. 821-824, 2009
Forum, vol. 645-648, pp. 661-664, 2010

Preface MAEE2013 is a comprehensive conference,and it is an integrated conference concentrating its focus upon Material Engineering and Electrical Engineering.
In the proceeding, you can learn much more knowledge about Material Engineering and Electrical Engineering of researchers all around the world.
In order to meet high standard of Advanced Material Research,the organization committee has made their efforts to do the following things.
The goal of the conference is to provide researchers from Material Engineering and Electrical Engineering fields with a free exchanging forum to share the new ideas, new innovation and solutions with each other.